Some questions about hidden processes running in the background!

hahauutony

1.Minimize the program running after the code is compiled ... It is best to hide ... run in the background.
   Hide processes.
2.c program how to copy itself to the system directory .. is to run this program he copied to the system directory ...
3. There are questions
Seven people with abcdefg guess what day is today?
a: the day after tomorrow is Wednesday
b: No. Today is Wednesday
c: you are all wrong. tomorrow is Wednesday
d: No. Today is not Monday. It is not Tuesday. It is not Wednesday.
e: I'm sure today is Thursday
f: No. You are all wrong. Tomorrow is Thursday
g: yesterday was not saturday

Q: what day is today?
I launched it on Sunday ...
Everyone help to see ...

hahauutony

Hope to write it in a little more detail .. Thank you ...

greenyard

2
First get the current directory of the program, this can be achieved through api, and then use CopyFile to copy the file, the system directory can use% SystemRoot%\system.

greenyard

3
The conditions are not sufficient to judge. Did not say that a few people were correct

greenyard

1
Setting the parameters of ShowWindow can be minimized. If it is a hidden process, you can go to Baidu to check the relevant knowledge of the background service program.

hahauutony

How to use ShowWindow?

hahauutony

Now only the second problem remains unsolved ...